.u-message {
  height: 50px;
  width: 100%;
  margin: 0 auto;
  margin-bottom: 0.5rem;
  display: flex;
}

/* 头像 */
.u-vatar {
  width: 10%;
  height: 100%;
  display: flex;
  /* 实现垂直居中 */
  align-items: center;
  /* 实现水平居右边 */
  justify-content: right;
}
.u-vatar-content {
  width: 2rem;
  height: 2rem;
  border-radius: 1rem;
  margin-right: 0.5rem;
  background-color: black;
  color: white;
  text-align: center;
  line-height: 2rem;
}

/* 消息体 */
.u-others {
  flex: 1;
  height: 100%;
  text-align: left;
}
/* 顶部结构 */
.u-others-top {
  height: 50%;
  display: flex;
}
.u-name {
  flex: 1;
  margin-left: 0.25rem;
  font-size: 0.8rem;
  margin: auto 0;
  color: rgb(110, 115, 124);
}
.u-message-time {
  flex: 8;
  margin: auto 0;
  margin-left: 0.5rem;
  color: rgb(156, 162, 176);
  font-size: 0.5rem;
}
/* 底部结构 */
.u-others-bottom {
  height: 50%;
}
.u-message-content {
  display: inline-block;
  background-color: rgb(222, 224, 227);
  border: grey 1px;
  border-radius: 0.4rem;
  margin-left: 0.5rem;
  padding: 0.05rem 1rem 0.05rem 0.5rem;
  letter-spacing: 0.07rem;
}

/* 右侧头像 */
.r-u-vatar {
  width: 10%;
  height: 100%;
  display: flex;
  /* 实现垂直居中 */
  align-items: center;
  /* 实现水平居左边 */
  justify-content: left;
}
.r-u-vatar-content {
  width: 2rem;
  height: 2rem;
  border-radius: 1rem;
  margin-left: 0.5rem;
  background-color: #55efc4;
  color: black;
  text-align: center;
  line-height: 2rem;
}
/* 右侧消息体 */
.r-u-others {
  flex: 1;
  height: 100%;
  text-align: right;
}